Main Reaction: Histidine >> 4-imidazole acetate

Reference: PubMed ID: 28484432
Authors: Nealon NJ, Yuan L, Yang X, Ryan EP
Title: Rice Bran and Probiotics Alter the Porcine Large Intestine and Serum Metabolomes for Protection against Human Rotavirus Diarrhea.
Published: 2017

Histidine --> 4-imidazole acetate